HackingProfessional ServicesProfessional ServicesVulnerability ExploitStolen CredentialsTargetedData ExfiltratedPIIIdentity (basic)MediumContained

Orrick, Herrington & Sutcliffe LLP

bd_3e42b9abcb8898e5 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 13, 2023

Filed

Sep 7, 2023

To disclose

25 weeks

Affected

2,297state residents only

Linked

19 filings

Confidence

63%

Full breach record for Orrick, Herrington & Sutcliffe LLP →9 incidents on file

Orrick, Herrington & Sutcliffe, LLP notified South Carolina residents of a security event where an unauthorized third party gained remote access to client files. Access occurred between Feb 28 and Mar 13, 2023. The firm detected the breach on Mar 13, 2023, engaged forensic experts, notified law enforcement, and offered two years of identity monitoring.

J jump to incidentP pin to compareR raw source

South Carolina clock✓ SC CRA notice due25 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 13 days

discovery → filing · 25 weeks / 178 days

Feb 28, 2023

Begins

Mar 13, 2023

Discovered

Sep 7, 2023

Filed

vs. sector median

+6 wks slower

This filing is one of 19 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

California State AGbd_13c2d48c6c504f772023-08-21 · +17dVerified
New Hampshire State AGbd_196c4027e22ee5fd2023-08-21 · +17dVerified
Oregon State AGbd_2219323be28eb8d72023-08-18 · +20dVerified
California State AGbd_27c346231339764a2023-08-18 · +20dVerified

Show 6 more filings ↓up to 49d gap

Maine State AGbd_cc48c408ae3ef8942023-08-18 · +20dVerified
California State AGbd_3fe3320cbc86fe1b2023-08-14 · +24dVerified
California State AGbd_cbf3d3e27848f13e2023-07-31 · +38dVerified
Indiana State AGbd_0c67b8b72d8d4d752023-07-20 · +49dVerified
Maine State AGbd_d10cdbb5d734268c2023-07-20 · +49dVerified
Maine State AGbd_e91b9e52ec6efee02023-07-20 · +49dVerified

Showing first 10 of 18 linked disclosures.

Name: Orrick, Herrington & Sutcliffe LLP
norm: orrick herrington sutcliffe
Domain: orrick.com

Name: Orrick, Herrington & Sutcliffe LLP
norm: orrick herrington sutcliffe
Domain: orrick.com
Industry: Professional Servicesllm

Discovered: Mar 13, 2023
Breach occurred: Feb 28, 2023 – Mar 13, 2023
Undetected for: 13 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 2,297state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Regulator citations: Notified law enforcement
Initial access: exploit_public_facing

During the incident: Took immediate steps to block the unauthorized access
Launched an investigation of the incident with the support of leading outside cybersecurity experts
Notified law enforcement
Offering two years of complimentary identity monitoring services through Kroll
Deployed additional security measures and tools with the guidance of third-party experts
Changes made: Deployed additional security measures and tools with the guidance of third-party experts to strengthen the ongoing security of its network
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 25 weeks(178 days from discovery to filing)
Compliance flags: SC CRA notice due
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 6 states

View merged incident ↗

Indiana State AGJul 20 · first

Maine State AGJul 20 · first

California State AG+11d

California State AG+25d

Oregon State AG+29d

California State AG+29d

Maine State AG+29d

California State AG+32d

New Hampshire State AG+32d

South Carolina State AG+49d · this page

Pattern: first filing Jul 20 (IN), last Sep 7 (SC) — a 49-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 18 — the full spread may be wider.

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://consumer.sc.gov/sites/consumer/files/Documents/Security%20Breach%20Notices/Orrick%20Herrington%20Sutcliffe%20LLP-Consumer%20Notice.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 7, 2023
Raw hash: 4b29c3d91224b4610e3ae698b019cf2ff3f4de784aa6320498cd6734630ee615

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityOrrick, Herrington & Sutcliffe LLP

Victim entityOrrick, Herrington & Sutcliffe LLP

Incidentdiscovered Mar 13, 2023

Stated responseTook immediate steps to block the unauthorized access

ComplianceSC CRA notice due

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov